80896180

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{3109}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 170067240

約数和(自身を除く): 89171060

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 3109, 5204, 6218, 6505, 12436, 13010, 15545, 26020, 31090, 62180, 4044809, 8089618, 16179236, 20224045, 40448090, 80896180]

約数ペア:

[(1, 80896180), (2, 40448090), (4, 20224045), (5, 16179236), (10, 8089618), (20, 4044809), (1301, 62180), (2602, 31090), (3109, 26020), (5204, 15545), (6218, 13010), (6505, 12436)]